The Like button is a simple pluginthat will let people quickly sharecontent with their friends onFacebook.When someone clicks on a Likebutton on a site, a connection iscreated in the Graph betweenthe content and that person: anOpen Graph Like action will bepublished, and stories willappear on that person's timelineand their friends' news feeds.This story will link back to thesite and drive distribution ofcontent.The story created by the Likeaction can be enriched by usingmeta tags to turn a simple HTMLpage into an Open Graph object.If you plan to use the Like buttonon any page on your website,you should follow the guide toincluding meta tags to ensurepublished stories look great innews feed, on Timeline, and getthe best possible distributionfrom people.The Like button itself displays acount of all the likes and sharesof the content, and a few othermetrics which are listed in theFrequently Asked Questionsbelow. An option to comment onthe story will appear when theLike button is clicked, if it isconfigured correctly - lettingpeople comment after liking willgive the published story extraprominence in news feed.You can use the configuratorbelow to customize the layoutand style of Like buttons, andgrab a small snippet of code toinsert into your HTML pages toimplement the plugin in minutes.Get the CodeIf you implemented the Likebutton before November 7th,2012, read this notice.On this date we updated howthe Like button will function withrespect to content restrictions,publishing updates to users andintegration with the Built-in Likeaction.Like buttons that wereimplemented prior to this updateshould read the followingdeveloper doc about the LikeButton Migration as they mayrequire changes to continueworking.After July 2013 migration, Likebutton will require an absoluteURL in the 'href' parameter.There are three different ways toimplement the Like button: usingHTML5, XFBML (a specialFacebook markup) and iframe.HTML5 and XFBML versions aremore versatile, but requires useof the JavaScript SDK (snippets touse this are included in theconfigurator. These versions re-size height according to whetherthere are profile pictures todisplay, give you the ability(through the Javascript SDK) tolisten for edge.create events sothat you know in real time whena user clicks the Like button, andenable the comment box thatappears after clicking.